/* Copyright (c) 2021, National University of Defense Technology. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef MULTIVECTOR_H
#define MULTIVECTOR_H

#include "vector.h"

namespace YHAMG
{

struct MultiVector
{
	int ref;
	int num_vectors;
	int size;
	double* values;

	MultiVector();
	MultiVector(int m, int n, double* values, int ref);
	MultiVector(const MultiVector& X);
	MultiVector(MultiVector&& X);
	~MultiVector();
	MultiVector& operator=(const MultiVector& X);
	MultiVector& operator=(MultiVector&& X);

	void Free();
	void Allocate(int m, int n);
	void Reference(const MultiVector& X);
	const Vector operator()(int j) const;
};

}

#endif